feat(monitoring): add loki deployment

monitoring/compose.yaml

@@ -1,6 +1,7 @@
 volumes:
     prometheus_data: {}
     grafana_data: {}
+    loki_data: {}
 
 networks:
   front-tier:
@@ -97,3 +98,14 @@ services:
       - front-tier
     restart: always
 
+  loki:
+    image: grafana/loki
+    user: "0:0"
+    restart: unless-stopped
+    ports:
+      - "3100:3100"
+    command: -config.file=/etc/loki/loki.yaml
+    volumes:
+      - ./loki/loki.yaml:/etc/loki/loki.yaml:ro
+      - loki_data:/var/lib/loki
+

monitoring/loki/loki.yaml

@@ -0,0 +1,39 @@
+auth_enabled: false
+
+server:
+  http_listen_port: 3100
+
+common:
+  path_prefix: /var/lib/loki
+  replication_factor: 1
+  ring:
+    kvstore:
+      store: inmemory
+
+schema_config:
+  configs:
+    - from: "2024-01-01"
+      store: tsdb
+      object_store: filesystem
+      schema: v13
+      index:
+        prefix: index_
+        period: 24h
+
+storage_config:
+  filesystem:
+    directory: /var/lib/loki/chunks
+  tsdb_shipper:
+    active_index_directory: /var/lib/loki/index
+    cache_location: /var/lib/loki/tsdb-cache
+
+compactor:
+  working_directory: /var/lib/loki/compactor
+  retention_enabled: true
+  delete_request_store: filesystem
+
+limits_config:
+  retention_period: 168h
+  ingestion_rate_mb: 20
+  ingestion_burst_size_mb: 40
+